convert sw/source/core/inc/SwPortionHandler.hxx from String to OUString

Change-Id: Ide6562f7807f59fecbe3f8b3427342de3811f411

sw/source/core/access/accportions.cxx

@@ -126,7 +126,7 @@ void SwAccessiblePortionData::Text(sal_uInt16 nLength, sal_uInt16 nType, sal_Int
 }
 
 void SwAccessiblePortionData::Special(
-    sal_uInt16 nLength, const String& rText, sal_uInt16 nType, sal_Int32 /*nHeight*/, sal_Int32 /*nWidth*/)
+    sal_uInt16 nLength, const OUString& rText, sal_uInt16 nType, sal_Int32 /*nHeight*/, sal_Int32 /*nWidth*/)
 {
     OSL_ENSURE( nModelPosition >= 0, "illegal position" );
     OSL_ENSURE( (nModelPosition + nLength) <= pTxtNode->GetTxt().getLength(),

sw/source/core/access/accportions.hxx

@@ -97,7 +97,7 @@ public:
 
     // SwPortionHandler methods
     virtual void Text(sal_uInt16 nLength, sal_uInt16 nType, sal_Int32 nHeight = 0, sal_Int32 nWidth = 0);
-    virtual void Special(sal_uInt16 nLength, const String& rText, sal_uInt16 nType, sal_Int32 nHeight = 0, sal_Int32 nWidth = 0);
+    virtual void Special(sal_uInt16 nLength, const OUString& rText, sal_uInt16 nType, sal_Int32 nHeight = 0, sal_Int32 nWidth = 0);
     virtual void LineBreak(KSHORT nWidth);
     virtual void Skip(sal_uInt16 nLength);
     virtual void Finish();

sw/source/core/inc/SwPortionHandler.hxx

@@ -23,8 +23,6 @@
 #include <tools/solar.h>
 #include <txttypes.hxx>
 
-class String;
-
 /** The SwPortionHandler interface implements a visitor for the layout
  * engine's text portions. This can be used to gather information of
  * the on-screen representation of a single paragraph.
@@ -68,7 +66,7 @@ public:
      */
     virtual void Special(
         sal_uInt16 nLength,      /// length of this portion in the model string
-        const String& rText, /// text which is painted on-screen
+        const OUString& rText, /// text which is painted on-screen
         sal_uInt16 nType,         /// type of this portion
         sal_Int32 nHeight = 0,     /// font height of the painted text
         sal_Int32 nWidth = 0     /// width of this portion

sw/source/core/text/xmldump.cxx

@@ -147,7 +147,7 @@ class XmlPortionDumper:public SwPortionHandler
                 font size of the painted text
       */
     virtual void Special( sal_uInt16 nLength,
-                          const String & rText,
+                          const OUString & rText,
                           sal_uInt16 nType,
                           sal_Int32 nHeight,
                           sal_Int32 nWidth )